The story
- Proto-Indo-European · derived from*pleh₁-“to fill”
- Latin · derived fromcompletus
- Old French · derived fromcomplet
- Middle English · inherited fromcompleet“full, complete”
- English todaycomplete
From Middle English compleet (“full, complete”), borrowed from Old French complet or Latin completus, past participle of compleō (“to fill up, to complete”) (whence also complement, compliment), from com- + pleō (“to fill, to fulfill”) (whence also deplete, replete, plenty), ultimately from Proto-Indo-European *pleh₁- (“to fill”) (English full).
Words from the same roots
Etymology from Wiktionary, CC BY-SA 4.0.